On Sat, Nov 11, 2023 at 8:47 AM Richard Purdie <[email protected]> wrote: > > On Sat, 2023-11-11 at 08:20 -1000, Steve Sakoman wrote: > > On Sat, Nov 11, 2023 at 8:08 AM Khem Raj <[email protected]> wrote: > > > > > > On Sat, Nov 11, 2023 at 9:36 AM Richard Purdie > > > <[email protected]> wrote: > > > > > > > > On Sat, 2023-11-11 at 05:03 -1000, Steve Sakoman wrote: > > > > > We are seeing reproducibility issues where gcc-cross sometimes > > > > > defaults > > > > > to gnu11 and other times to gnu17. > > > > > > > > Why is gcc-cross doing that? It is supposed to be deterministic so we > > > > really need to get to the bottom of this :/. > > > > > > I think the previous patch to enforce OE cflags is exposing this > > > problem. > > > > No, the problem also exists without the previous patch. > > > > Richard suggested the backport as a potential solution, since it fixed > > a repro issue in master. > > > > It turned out to not be a complete fix in dunfell, hence my second patch. > > > > I agree that it would be good to get to the bottom of the gcc > > reproducibility problem. But until we do, this second patch will fix > > the issue now and will do no harm once gcc is fixed since it is just > > explicitly specifying what should be the gcc default. > > I worry that if we merge that, we'll not spend the time needed to get > to the bottom of the gcc issue :(. We don't know if the issue is there > on master or not :/.
Given that my knowledge of gcc is pretty much non-existent, I don't see myself getting to the bottom of this while still maintaining the three stable branches. So help from experts is required. If you are OK with ongoing lz4 repro errors in dunfell, I'm happy to drop the patches and wait for someone knowledgeable to fix gcc. Steve
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